Update win_cross.md docs.

mini_installer now works, so mention that.
Apparently the cross-built chrome has crashing renderers which seems
somewhat important, so mention that too.

TBR=hans

Bug: 495204
Change-Id: I773544f73b24a58c5738fb9545a9b6f56f83c486
Reviewed-on: https://chromium-review.googlesource.com/879302
Reviewed-by: Nico Weber <[email protected]>
Commit-Queue: Nico Weber <[email protected]>
Cr-Commit-Position: refs/heads/master@{#530933}
diff --git a/docs/win_cross.md b/docs/win_cross.md
index 926a552..f1cfcd8 100644
--- a/docs/win_cross.md
+++ b/docs/win_cross.md
@@ -8,7 +8,7 @@
 
 * goma. Sorry. ([internal bug](http://b/64390790)) You can use the
   [jumbo build](jumbo.md) for faster build times.
-* mini_installer ([bug](https://crbug.com/762073))
+* renderer processes crash at startup ([bug](https://crbug.com/803591))
 * on Mac hosts, building a 32-bit chrome ([bug](https://crbug.com/794838))
 
 All other targets build fine (including `chrome`, `browser_tests`, ...).
@@ -51,6 +51,12 @@
 
     ninja -C out/gnwin base_unittests.exe
 
+## Copying and running chrome
+
+A convenient way to copy chrome over to a Windows box is to build the
+`mini_installer` target.  Then, copy just `mini_installer.exe` over
+to the Windows box and run it to install the chrome you just built.
+
 ## Running tests on swarming
 
 You can run the Windows binaries you built on swarming, like so: